Android Open Source - introToDroid4ed Grid Adapter Sample Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.introtoandroid.advancedlayouts;
//from  www  .ja  v  a  2 s . c om

import android.app.Activity;
import android.content.CursorLoader;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.ListAdapter;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;

public class GridAdapterSampleActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getActionBar().setTitle("Grid Adapter");

        CursorLoader loader = new CursorLoader(this, 
            ContactsContract.CommonDataKinds.Phone.CONTENT_URI, 
            null, null, null, null);
        Cursor contacts = loader.loadInBackground();
        ListAdapter adapter = new SimpleCursorAdapter(this, 
            R.layout.scratch_layout, 
            contacts, 
            new String[] {
              ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME, 
              ContactsContract.CommonDataKinds.Phone.NUMBER
            }, new int[] { 
              R.id.scratch_text1, R.id.scratch_text2
            }, 0);

        setContentView(R.layout.scratch_grid);

        int view_id = R.id.scratch_adapter_view;
        GridView av = (GridView) findViewById(view_id);
        av.setAdapter(adapter);
        av.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
          public void onItemClick(AdapterView<?> parent, 
              View view, int position, long id) {
                    Toast.makeText(GridAdapterSampleActivity.this, 
                        "Clicked _id=" + id, Toast.LENGTH_SHORT).show();
            }
        });
    }
}

Java Source Code List

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